Spray head for a sink



FIG. 1 is a perspective view of a spray head for a sink in accordance with the design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof, the left side being identical;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof. 

I claim the ornamental design of a spray head for a sink, as shown and described. 